The domain is R so the first one is correct.
we are given

now, we can factor out right side term


now, we can plug back
and we get
so,
.............Answer
8^15 ÷ 1/8^3 = 8^15 x 8^3=8^18
Answer:
95891769
Step-by-step explanation:
This is extract from a brain teaser exercise in which sequence is formed to identify the numbers. In this brain teaser we have made combinations of different numbers which lead to the correct answer. The two correct forms of number are given which are used as a base for determining the correct answer.
48, 53, 58, 63 is from low to hight numbers